ICD-10-CM
Congenital malformations, deformations and chromosomal abnormalities
Chapter 17, Q00-Q99. CDC FY2027 file dated June 16, 2026.
License. US government work, Public Domain Mark 1.0.
Categories
87 categories in this chapter. Open one, or page through every code below.
- Q00Anencephaly and similar malformations
- Q01Encephalocele
- Q02Microcephaly
- Q03Congenital hydrocephalus
- Q04Other congenital malformations of brain
- Q05Spina bifida
- Q06Other congenital malformations of spinal cord
- Q07Other congenital malformations of nervous system
- Q10Congenital malform of eyelid, lacrimal apparatus and orbit
- Q11Anophthalmos, microphthalmos and macrophthalmos
- Q12Congenital lens malformations
- Q13Congenital malformations of anterior segment of eye
- Q14Congenital malformations of posterior segment of eye
- Q15Other congenital malformations of eye
- Q16Congenital malform of ear causing impairment of hearing
- Q17Other congenital malformations of ear
- Q18Other congenital malformations of face and neck
- Q20Congenital malformations of cardiac chambers and connections
- Q21Congenital malformations of cardiac septa
- Q22Congenital malformations of pulmonary and tricuspid valves
- Q23Congenital malformations of aortic and mitral valves
- Q24Other congenital malformations of heart
- Q25Congenital malformations of great arteries
- Q26Congenital malformations of great veins
- Q27Other congenital malformations of peripheral vascular system
- Q28Other congenital malformations of circulatory system
- Q30Congenital malformations of nose
- Q31Congenital malformations of larynx
- Q32Congenital malformations of trachea and bronchus
- Q33Congenital malformations of lung
- Q34Other congenital malformations of respiratory system
- Q35Cleft palate
- Q36Cleft lip
- Q37Cleft palate with cleft lip
- Q38Other congenital malformations of tongue, mouth and pharynx
- Q39Congenital malformations of esophagus
51 more categories are in this chapter. Type a code or a term to open one.
Codes
A header groups codes and is not billed. A billable code is one you can report.
201 to 240 of 1,067
- Q25.46Tortuous aortic archBillable
- Q25.47Right aortic archBillable
- Q25.48Anomalous origin of subclavian arteryBillable
- Q25.49Other congenital malformations of aortaBillable
- Q25.5Atresia of pulmonary arteryBillable
- Q25.6Stenosis of pulmonary arteryBillable
- Q25.7Other congenital malformations of pulmonary arteryHeader
- Q25.71Coarctation of pulmonary arteryBillable
- Q25.72Congenital pulmonary arteriovenous malformationBillable
- Q25.79Other congenital malformations of pulmonary arteryBillable
- Q25.8Other congenital malformations of other great arteriesBillable
- Q25.9Congenital malformation of great arteries, unspecifiedBillable
- Q26Congenital malformations of great veinsHeader
- Q26.0Congenital stenosis of vena cavaBillable
- Q26.1Persistent left superior vena cavaBillable
- Q26.2Total anomalous pulmonary venous connectionBillable
- Q26.3Partial anomalous pulmonary venous connectionBillable
- Q26.4Anomalous pulmonary venous connection, unspecifiedBillable
- Q26.5Anomalous portal venous connectionBillable
- Q26.6Portal vein-hepatic artery fistulaBillable
- Q26.8Other congenital malformations of great veinsBillable
- Q26.9Congenital malformation of great vein, unspecifiedBillable
- Q27Other congenital malformations of peripheral vascular systemHeader
- Q27.0Congenital absence and hypoplasia of umbilical arteryBillable
- Q27.1Congenital renal artery stenosisBillable
- Q27.2Other congenital malformations of renal arteryBillable
- Q27.3Arteriovenous malformation (peripheral)Header
- Q27.30Arteriovenous malformation, site unspecifiedBillable
- Q27.31Arteriovenous malformation of vessel of upper limbBillable
- Q27.32Arteriovenous malformation of vessel of lower limbBillable
- Q27.33Arteriovenous malformation of digestive system vesselBillable
- Q27.34Arteriovenous malformation of renal vesselBillable
- Q27.39Arteriovenous malformation, other siteBillable
- Q27.4Congenital phlebectasiaBillable
- Q27.8Other congenital malformations of peripheral vascular systemBillable
- Q27.9Congenital malformation of peripheral vascular system, unspecifiedBillable
- Q28Other congenital malformations of circulatory systemHeader
- Q28.0Arteriovenous malformation of precerebral vesselsBillable
- Q28.1Other malformations of precerebral vesselsBillable
- Q28.2Arteriovenous malformation of cerebral vesselsBillable
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